空間識喪失 Spatial disorientation 所謂Vertigoについて-1・2-
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概要
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Spatial disorientation; so-called vertigo is aphysical phenomenon, which pilots often meet with, at the aerial orientation.he study of spatial sisorientation in this report was done during flight about one thousand total flight hours as a pilot with myself last six years.Aa a pilot, writer myself experienced various types of spatial disorientation, and tried geometrical classification of the experienced spatial disorientation systematicaly.All experiences of spatial disorientations were always acompanied by some of following four symptomes sometimes strongly and sometimes weakly in its intensity. The symptoms of the spatial disorientation are disorientation, unusual muscle tension so-called ataxia, uncomfotable feeling and vertigo.At the spatial disorientation, false sensation and correct judgement about aerial orientation always exist together, besides some of the other symptoms attend with, and they make sensational confusion on aerial orientation.In this report, thirteen typical cases of the experienced spatial disorientations were discussed about its aetiology of occurence and recovery, with consideration of happening flight conditions, weather conditions, psychosomatic conditions and analysis of stimuli, from an aspect of physiology of equilibrium.Discussions of the aetiology was done under special consideration that the motion of the aircraft impose what kinds of stimuli upon a person, and was performed on a stand-point that the vestibular labyrinth is a reflex organ not a sensitive organ.As a result of this study, it was explained that many kinds of spatial disorientations do not occur simply as a labyrinthine reaction but as complexed combinations with it and a visual reflex, proprioceptive reflex and psychosomatic reflex.
- 社団法人 日本耳鼻咽喉科学会の論文